Question

In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature? *

a) 2H2(l) + O2(l) → 2H2O(g)
(b) 2H2(g) + O2(l) → 2H2O(l)
(c) 2H2(g) + O2(g) → 2H2O(l)
(d) 2H2(g) + O2(g) → 2H2O(g)​

Answer 1

c. 2H2(g) + O2(g) = 2H2O(l)

because 2 atoms of hydrogen and 1 atom of oxygen these two elements combine to Form liquid water that is 2H2O